Which of the following states the Rule of Entity Integrity?

a. Every row must have a value for the primary key and each value must be unique.
b. Every foreign key must appear as another table’s primary key.
c. Every row must have a value for the primary key and values may be repeated.
d. None of the above.


a. Every row must have a value for the primary key and each value must be unique

Computer Science & Information Technology

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You can recover a forgotten database password by opening the database in exclusive mode.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

?In a fixed charge method, the IT group is regarded as a(n) _________, which is a department that is expected to break even or show a profit.

Fill in the blank(s) with the appropriate word(s).

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Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

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A. seed B. per-packet key C. MIC D. CRC

Computer Science & Information Technology